#include<bits/stdc++.h>
using namespace std;
int main(){
    int i,j,n,a[15][15]={0};
    cin>>n;
    int k=1;
    for(i=0;i<n;i++){
        for(j=0;j<n-i;j++){
            if(i==0){
                a[j][j]=k;
            }else{
                a[j][j+i]=k;  
            }
        }
        k++;
    }
    for(i=0;i<n;i++){
        for(j=0;j<n;j++){
            if(a[i][j]==0){
                cout<<setw(5)<<" ";
            }else{
                cout<<setw(5)<<a[i][j];
            }
        }
        cout<<endl;
    }
}
/**************************************************************
	Problem: 1204
	User: mariooo
	Language: C++
	Result: Accepted
	Time:9 ms
	Memory:2072 kb
****************************************************************/